Narrated Sahl bin Sa`d: I witnessed the case of Lian (the case of a man who charged his wife for committing illegal sexual intercourse when I was fifteen years old. The Prophet ordered that they be divorced, and the husband said, "If I kept her, I would be a liar." I remember that Az-Zubair also said, "(It was said) that if that woman brought forth the child with such-and-such description, her husband would prove truthful, but if she brought it with such-and-such description looking like a Wahra (a red insect), he would prove untruthful." I heard Az-Zubair also saying, "Finally she gave birth to a child of description which her husband disliked .

Narrated Sahl bin Sa`d: A man said, "O Allah's Apostle! If a man finds another man with his wife, (committing adultery) should the husband kill him?" Later on I saw them (the man and his wife) doing Li`an in the mosque (taking oaths, one accusing, and the other denying adultery).